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Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/11/2023, 05:46

General

  • Target

    NEAS.ac31b3fb32daf878d07982b5ca8e4b20.exe

  • Size

    310KB

  • MD5

    ac31b3fb32daf878d07982b5ca8e4b20

  • SHA1

    eecada0e6aa8ad9332ef9a2d9207f5fee0847071

  • SHA256

    1ef8e5c6dc1a1cff1c321c41c3658171957726f334e989281af1916e2b4b1707

  • SHA512

    320b4b1035de51e90fb8e430d5cafdc21cede5d3ccebb9c18dbe262940f90c9c81d1eda632c51da6519586fb2e6aefb21a10af55124365db75ae65ae73e64bf0

  • SSDEEP

    6144:m7GfBcQhadAdQNLSNoSMuAfo3ySJ/xBSsKtB/H0CV1I4tiAyr:m7GfBcQodAdQQNoSMjybQPpH0d4kvr

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.ac31b3fb32daf878d07982b5ca8e4b20.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.ac31b3fb32daf878d07982b5ca8e4b20.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:440
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:2408

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • memory/4460-0-0x0000000000400000-0x00000000004F1000-memory.dmp

        Filesize

        964KB

      • memory/4460-1-0x00000000022B0000-0x00000000022B1000-memory.dmp

        Filesize

        4KB

      • memory/4460-2-0x0000000000400000-0x00000000004F1000-memory.dmp

        Filesize

        964KB

      • memory/4460-4-0x00000000022B0000-0x00000000022B1000-memory.dmp

        Filesize

        4KB